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Date:   Tue, 28 Nov 2017 21:08:42 +0100 (CET)
From:   Thomas Gleixner <tglx@linutronix.de>
To:     Linus Torvalds <torvalds@linux-foundation.org>
cc:     Alan Cox <gnomes@lxorguk.ukuu.org.uk>,
        "Gustavo A. R. Silva" <garsilva@embeddedor.com>,
        Ingo Molnar <mingo@redhat.com>,
        "H. Peter Anvin" <hpa@zytor.com>,
        the arch/x86 maintainers <x86@kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Kees Cook <keescook@chromium.org>
Subject: Re: [PATCH] x86/syscalls: Mark expected switch fall-throughs
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On Tue, 28 Nov 2017, Linus Torvalds wrote:

> On Tue, Nov 28, 2017 at 11:00 AM, Alan Cox <gnomes@lxorguk.ukuu.org.uk> wrote:
> >
> > The notation in question has been standard in tools like lint since the
> > end of the 1970s
> 
> Yes.
> 
> That said, maybe one option would be to annotate the "case:" and
> "default:" statements if that makes people happier.
> 
> IOW, we could do something like
> 
>     #define fallthrough __atttibute__((fallthrough))
> 
> and then write
> 
>     fallthrough case 1:
>         ...
> 
> which while absolutely not traditional, might look and read a bit more
> logical to people. I mean, it literally _is_ a "fallthrough case", so
> it makes semantic sense.
> 
> Or maybe people hate that kind of "making up new syntax" too?

Fine with me. Better than any comment.

Thanks,

	tglx

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